A brief introduction to tunnels--their types, shapes, and parts, and how they are built.

Presents basic facts about beavers: where they live, how they build their dams and lodges, their family life, etc.

Introduces the physical characteristics, behavior, and life cycle of grizzly bears, and discusses their endangerment in the lower forty-eight United States.

Describes the many different kinds of tools and supplies which artists use to produce their work.

Introduces, in text and illustrations, a variety of prehistoric animals whose fossilized remains have provided scientists with clues about their physical characteristics and the environment in which they lived.

"From Gail Gibbons, the #1 author of science books for kids, this guide to those wonderful waddling water birds is updated with the latest facts from experts. In this new edition vetted by experts, learn about some of the seventeen different kinds of penguins. With bright watercolor illustrations and kid-friendly language, Gail Gibbons introduces young readers to zoology concepts, describing where and how penguins live, what they eat, and how they...

Describes the work of a veterinarian and some of the procedures and instruments he uses to treat animals in his office and on farms. Also tells how to take good care of pets.

A survey of lighthouses and how they work in simple text and pictures.

A simple description of how seasons are caused by the positions of the Earth and the Sun also discusses the delights of each of the seasons.